to waste time creating something that already exists
тратить время на создание чего-то, что уже существует (tratit' vremya na sozdanie chego-to, chto uzhe sushchestvuet)
"Don’t reinvent the wheel; use the existing design."
"Не придумывай колесо заново; используй существующий дизайн." (Ne priduymivay koleso zanovo; ispol'zuy suschestvuyushchiy dizayn.)
to stop or end something
to help someone
to help someone remember something
to maintain order and avoid conflict
to buy something that is defective or worthless
a measure of how actively people interact with online conten...
